<!DOCTYPE html>
<html lang="zh-cn">
<head>
	<meta charset="utf-8">
	<title> 传统布局 </title>
	<link rel="stylesheet" type="text/css" href="practise.css">
</head>
<body>


	<header> header </header>
	<aside> aside </aside>
	<section> section </section>
	<footer> footer </footer>

</body>
</html>